<template>
  <div class="back">
    <van-icon name="arrow-left" @click="$router.back()"/>
  </div>
</template>
<style lang="scss" scoped>
.back{
  position: fixed;
  top: 10px;
  left: 10px;
  border: 2px solid #fff;
  border-radius: 50%;
  z-index: 99;
  padding: 3px;
  .van-icon-arrow-left{
    background: #fff;
    border-radius: 50%;
  }
}
</style>